INDEX 



671 



Sodium alizarin sulphonate as indicator, 156, 157, 



160, 177, 501 



Sodium alizarin sulphonate, preparation of, 15? 

 Sodium chloride, crystalline form, 270 

 Sodium chloride in urine, 423, 57 2 609 

 Sodium hydroxide solution, N/io, preparation of, 



497 



Sodium hypobromite solution, preparation of, 635 

 Sodium nitrite-ferrous sulphate reaction for 



acetoacetic acid (Hurtley), 454 

 'odium nitroprusside test for acetone, 452 

 odium sulphide solution, preparation of, 643 

 olera's reaction for detection of thiocyanate in 



saliva, 58 



test paper, preparation of, 58 

 Dluble starch, n, 42, 55 



as indicator, 168, 289, 543, 557 

 5rensen's formol titration method for amino 



nitrogen, 523 . 



indicator method for hydrogen ion concen- 

 tration, 160, 500 



Soxhlet apparatus for extraction of fat, 344 

 Soxhlet lactometer, determination of specific 



gravity of milk by, 253 

 Specificity of enzyme action, 7 

 Spectroscope, use of in detection of blood, 300 

 Spermatozoa in urinary sediments, 482, 490 



microscopical appearance of human, 491 

 Spiegler's ring test for protein, 103, 440 



reagent, preparation of, 103, 440 

 Spiro's reaction for hippuric acid, 407 

 Spongin, 68 

 Standard acid and alkali solutions, preparation of, 



496 

 ammonium thiocyanate solution, preparation 



of, 627 



creatinine solution, 632 

 iodine solution, 636 

 potassium permangante, 640 

 picramic acid, 641 



silver nitrate solution, preparation of, 631 

 sodium alcoholate, 643 

 sodium thiosulphate, 643 

 uranium acetate solution, preparation of, 645 

 uric acid solution, 646 

 Starch, 20, 42 



action of alcohol on iodide of, 44 

 action of alkali on iodide of, 44 



heat on iodide of, 44 

 raw, digestion of, by pancreatic amylase, 



191, 195 



raw, digestion of, by salivary amylase, 59 

 experiments on, 42 

 hyperglycemia produced by, 598 

 iodine test for, 44 



microscopical characteristics of, 42, 43 

 examination of, 44 

 potato, preparation of, 42 

 soluble, ii, 42, 55 



soluble starch as indicator, 168, 289, 543, 557 

 solubility of, 42, 44 

 various forms of, 43 

 Starch group, 20 



Starch paste, action of tannic acid on, 44 

 diffusibility of, 44 

 digestion of, by pancreatic amylase, 191, 



194 

 by salivary amylase, 10, 55, 58 



Starch paste, Fehling's test on, 44 

 hydrolysis of, 44 

 iodic acid paper, 58 

 preparation of, 44 

 Steapsin (see Pancreatic lipase, 5. 13, 181, 191, 



196) 



Stearic acid, 180, 371 

 Stearin, 180, 181, 329 

 Stehle's gasometric method for urea, 518 

 Stellar phosphate, 340, 477 

 Stercobilin, 225 

 Stokes' reagent, action of, 301 



preparation of, 301 



Stomach contents, lactic acid in, tests for, 172 

 examination of, 162 

 peptide-splitting enzyme in, 141, 202 

 removal of, 164 

 tube, Rehfuss, 150, 151 

 Stomach, motor and functional activities of, 146, 



162 



Stone-cystine, 76 

 Sturine, 66, 67, 93 

 Sublingual glands, characteristics of saliva 



secreted by, 53 - 

 Submaxillary glands, characteristics of saliva 



secreted by, 53 

 Substrate, 3 

 Succinic acid, 217 

 Sucrase, 4, 14, 198, 202 



experiments on, 14, 202 

 vegetable, 14 

 Sucrose, 19, 40 



experiments on, 41 

 inversion of, 41 

 structure of, 41 



Sucrose-HsSO* test (Pettenkofer), 211, 449 

 Sugar (see Glucose and Sucrose) 

 Sulphanilic acid, 469 

 Sulphates in saliva, test for, 58 

 Sulphates in urine, 387, 421, 562 

 ethereal, 402, 564 



quantitative determination of, 564 

 experiments on, 404, 422 

 inorganic, 421, 564 



quantitative determination of, 564 

 total, quantitative determination of, 562, 



S6s 

 Sulphocyanides (see Thiocyanates, 54, 58, 386, 



409) 



Sulphur in protein, 62, 107 

 acid, 107 



in urine, gravimetric determination of, 

 562 



volumetric determination of, 566 

 lead blackening, 107, 423 

 loosely combined, 107, 421 

 mercaptan, 107, 421 

 neutral, 107, 421 

 oxidized, 107, 421 

 "partition," in urine, 610 

 tests for, 107 

 unoxidized, 107, 421 

 Sulphuric acid test (Piria), 85 

 Surface tension test for bile acids (Hay), 212, 



449 



Suspension of manganese dioxide, 645 

 Synthesis of hippuric acid, 619 



demonstration of, 619 



